Effect of real-time binaural music on sedation with dexmedetomidine during spinal anesthesia: A triple-arm, assessor-blind, randomized controlled trial

•Patients were assigned to the music with binaural sound, plain, or no music groups.•Binaural group had significantly lower PBW-adjusted dexmedetomidine loading dose.•The difference was statistically insignificant compared with the plain music group.